Apple Watch SE 3 Smartwatch, Always-On Retina Display, S10 Chip, watchOS, 50m Water Resistance, GPS, 40mm Starlight Aluminum Case, 150-200mm M/L Size Band, Starlight Sport Band | MEH54 / MJKW4

Watch SE 3 Essential health features at a great value. Specifications Hardware & Buttons Digital Crown, Microphone, Side button, Speaker/air vent, Optical heart sensor Controls Digital Crown with haptic feedback, Side button, Double tap & wrist flick gestures Chip S10 chip (64-bit dual-core processor), 4-core Neural Engine, 64GB capacity Sensors Second-gen optical heart sensor, Temperature sensor, Compass, Always-on altimeter, High-g accelerometer, High dynamic range gyroscope, Ambient light sensor Health & Wellness Cycle Tracking w/ retrospective ovulation estimates, Heart Rate app, High/low heart rate notifications, Irregular rhythm notifications, Medications, Mindfulness, Noise app, Sleep app with sleep stages/score/apnea notifications Display Always-On Retina display, OLED w/ LTPO, Tough Ion-X front glass (4x crack resistance), 1000 nits peak brightness, 2 nits min brightness, 326 ppi Audio Speaker, Microphone, Media playback Battery & Power All-day battery (up to 18 hrs normal use), 32 hrs Low Power Mode, Built-in lithium-ion, Fast charge (80% in ~45 min), 15 min ≈ 8 hrs use, 8 min ≈ 8 hrs sleep track Operating System watchOS: advanced activity, health, safety, and connectivity features Workouts & Activity Running, Custom workout/views, Training Load, Heart Rate Zones, Race Route, Pacer, Stride Length, Ground Contact Time, Vertical Oscillation, Multisport, Hiking (compass/maps/backtrack/waypoints), Cycling (speed/power/cadence), Swimming (pool/open/stroke detection), Skiing, Rowing, Yoga, Multisport, and more Safety Emergency SOS, Intl emergency calling, Crash Detection, Fall Detection, Noise monitoring, Backtrack Durability 50m water resistance (swimproof) Connectivity L1 GPS, GNSS, Galileo, QZSS, 5G, LTE, Wi-Fi 4 (802.11n, 2.4GHz), Bluetooth 5.3, Apple Pay, GymKit, Apple Watch For Your Kids Accessibility Built-in vision, mobility, hearing & cognitive features: VoiceOver, Zoom, On/Off Labels, Reduce Transparency/Contrast, Text Size/Bold, Reduce Motion, Chimes, AssistiveTouch, Button Speed, Touch Accommodations, Auto-Answer, Audio Volume Balance, Live Speech, Accessibility Shortcut, Mono Audio, Taptic Time, Live Listen Size & Weight 44mm: Height 44mm × Width 38mm × Depth 10.7mm, 32.9g (GPS) / 33.0g (GPS+Cellular); 40mm: Height 40mm × Width 34mm × Depth 10.7mm, 26.3g (GPS) / 26.4g (GPS+Cellular)